Digital Stepper Driver RMS Current Max 4.2A 24-48VDC

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The DM542S is a two phase digital stepper driver based on ARM. Its Microstep resolution and output current are programmable. And it has advanced control algorithm which brings a unique level of system smoothness, provides optimum torque and mid-range instability. The control algorithm of Multi-Stepping can allow stepper motor a smooth system performance. The control algorithm of torque compensation can improve the torque of motor at high speed. The control algorithm of motor self-test and parameter auto-setup technology offers optimum responses with different motors and easy-to-use. The control algorithm of smoothness can enhance the acceleration and deceleration of motor. Its unique features make the DM542S an ideal solution to applications.

Key Features:

  • Parameter auto-setup and motor self-test
  • Multi-Stepping inside, Small noise, low heat, smooth movement
  • Torque compensation at high speed
  • Variable current control technology, High current efficiency
  • Accelerate and decelerate control inside, Great improvement in smoothness of starting or stopping the motor
  • Storage the position of motor
  • Optically isolated input and compatible with 5V or 24V
  • User-defined microsteps
  • Micro-step resolutions and Output current programmable
  • Over current and over voltage protection
  • Automatic detection, flexible selection of pulse edge count mode
  • Green light means running while red light means protection or off line

Technological Index:

  • Input Voltage: DC 24V~48V
  • Max Pulse Frequency: 200K
  • Default Communication Rate: 57.6kbps
  • Overcurrent Protection: Peak 10A±10%
  • Over voltage Protection: Peak 60VDC
  • Overall Dimensions(mm): 118x75.5x34
  • Weight: Approximate 260g
  • Environment: Avoid dust,oil fog and corrosive gases
  • Operating Temperature: 0~70℃
  • Storage Temperature: -20℃~+80℃
  • Humidity: 40~90%RH
  • Cooling method: Natural cooling or forced air cooling


Stepper Driver Specification
Input Voltage(V) DC24 - 48
Output Current(A) 1 - 4.2
Microstep(Steps/rev.) 400 - 25600
Max. Pulse Input(kHZ) 200
Pulse Width(μs) 2.5
Physical Specification
Weight(g) 260

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